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3.7.3  Display ERC Card 
 
z Insert the ERC card (provided by Japan Hydrographic Association) with the top surface upward into 
card slot 1 (lower) or 2 (upper) as shown in the figure below. Press [MAP] key, and the coastlines will 
be displayed automatically. 
z Two ERC cards can be inserted into card slots 1 and 2 at the same time. 
z For ranges of charts to be displayed, refer to the catalog issued by Japan Hydrographic Association. 
z Do not insert JRC’s Coastline ROM card or C-MAP card into a card slot while the ERC card is in the 
other slot.    Doing so causes display trouble. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
* Insert the card and then press software button  ԛ  located at the bottom right corner of the radar display 
described in Section 2.3.4 to switch Display Charts between ON and OFF. 
 
 
 
Electronic Reference Charts for Navigation
R-300 Tokyo Bay and Vicinity 
 
ڎNorth of Tokyo Bay 
ڎUraga Channel and Vicinity 
ڎSouth of Tokyo Bay – Ohshima 
ڎTaitohsaki - Irohzaki
 
Insert into card slot 1 or 2. 
Upper: Card slot 2 
Lower: Card slot 1